[INFO] cloning repository https://github.com/Mureke/rChip8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mureke/rChip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMureke%2FrChip8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMureke%2FrChip8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2b3d5332cc267efa1040d0000d5b69f451f0e397
[INFO] checking Mureke/rChip8 against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMureke%2FrChip8" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Mureke/rChip8 on toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Mureke/rChip8
[INFO] finished tweaking git repo https://github.com/Mureke/rChip8
[INFO] tweaked toml for git repo https://github.com/Mureke/rChip8 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Mureke/rChip8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4d4a5c9412f4354d3b7070ed76c42e098c3ecfb105cd53a9bb1fe1251f85fac4
[INFO] running `Command { std: "docker" "start" "-a" "4d4a5c9412f4354d3b7070ed76c42e098c3ecfb105cd53a9bb1fe1251f85fac4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d4a5c9412f4354d3b7070ed76c42e098c3ecfb105cd53a9bb1fe1251f85fac4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d4a5c9412f4354d3b7070ed76c42e098c3ecfb105cd53a9bb1fe1251f85fac4", kill_on_drop: false }`
[INFO] [stdout] 4d4a5c9412f4354d3b7070ed76c42e098c3ecfb105cd53a9bb1fe1251f85fac4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 569f5422f78ddd472efbbba08d6ba33cba91039e9596b9592499507c7911c653
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "569f5422f78ddd472efbbba08d6ba33cba91039e9596b9592499507c7911c653", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking sdl2-sys v0.30.0
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking sdl2 v0.30.0
[INFO] [stderr]     Checking r_chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::utils::RomReader`
[INFO] [stdout]  --> src/cpu.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::utils::RomReader;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::exit`
[INFO] [stdout]  --> src/cpu.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::process::exit;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::hint::set`
[INFO] [stdout]  --> src/cpu.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use sdl2::hint::set;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/cpu.rs:134:31
[INFO] [stdout]     |
[INFO] [stdout] 134 |         let pc_action = match (nibbles) {
[INFO] [stdout]     |                               ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/cpu.rs:204:37
[INFO] [stdout]     |
[INFO] [stdout] 204 |         PointerAction::skip_or_next((self.v[x] == kk))
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/cpu.rs:211:37
[INFO] [stdout]     |
[INFO] [stdout] 211 |         PointerAction::skip_or_next((self.v[x] != kk))
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/cpu.rs:218:37
[INFO] [stdout]     |
[INFO] [stdout] 218 |         PointerAction::skip_or_next((self.v[x] == self.v[y]))
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/cpu.rs:332:37
[INFO] [stdout]     |
[INFO] [stdout] 332 |         PointerAction::skip_or_next((self.v[x] != self.v[y]))
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/utils/event.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/utils/event.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::keyboard::Scancode`
[INFO] [stdout]  --> src/utils/event.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use sdl2::keyboard::Scancode;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/utils/event.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | /         /// Method for collecting key events and watching quit events.
[INFO] [stdout] 21 | |         /// Created mostly using this document: https://rust-sdl2.github.io/rust-sdl2/sdl2/keyboard/struct.KeyboardState.html
[INFO] [stdout] 22 | |         ///
[INFO] [stdout] 23 | |         /// Returns:
[INFO] [stdout] ...  |
[INFO] [stdout] 30 | |         ///       // Do something
[INFO] [stdout] 31 | |         ///  }
[INFO] [stdout]    | |______________^
[INFO] [stdout] ...
[INFO] [stdout] 35 | /         for event in self.events.poll_iter() {
[INFO] [stdout] 36 | |             match event {
[INFO] [stdout] 37 | |                 Event::Quit { .. } |
[INFO] [stdout] 38 | |                 Event::KeyDown { keycode: Some(Keycode::Escape), .. } => {
[INFO] [stdout] ...  |
[INFO] [stdout] 42 | |             }
[INFO] [stdout] 43 | |         }
[INFO] [stdout]    | |_________- rustdoc does not generate documentation for expressions
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::thread;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::time;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils::RomReader`
[INFO] [stdout]  --> src/cpu.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::utils::RomReader;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::exit`
[INFO] [stdout]  --> src/cpu.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::process::exit;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::hint::set`
[INFO] [stdout]  --> src/cpu.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use sdl2::hint::set;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/cpu.rs:134:31
[INFO] [stdout]     |
[INFO] [stdout] 134 |         let pc_action = match (nibbles) {
[INFO] [stdout]     |                               ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/cpu.rs:204:37
[INFO] [stdout]     |
[INFO] [stdout] 204 |         PointerAction::skip_or_next((self.v[x] == kk))
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/cpu.rs:211:37
[INFO] [stdout]     |
[INFO] [stdout] 211 |         PointerAction::skip_or_next((self.v[x] != kk))
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/cpu.rs:218:37
[INFO] [stdout]     |
[INFO] [stdout] 218 |         PointerAction::skip_or_next((self.v[x] == self.v[y]))
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/cpu.rs:332:37
[INFO] [stdout]     |
[INFO] [stdout] 332 |         PointerAction::skip_or_next((self.v[x] != self.v[y]))
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/utils/event.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/utils/event.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::keyboard::Scancode`
[INFO] [stdout]  --> src/utils/event.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use sdl2::keyboard::Scancode;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/utils/event.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | /         /// Method for collecting key events and watching quit events.
[INFO] [stdout] 21 | |         /// Created mostly using this document: https://rust-sdl2.github.io/rust-sdl2/sdl2/keyboard/struct.KeyboardState.html
[INFO] [stdout] 22 | |         ///
[INFO] [stdout] 23 | |         /// Returns:
[INFO] [stdout] ...  |
[INFO] [stdout] 30 | |         ///       // Do something
[INFO] [stdout] 31 | |         ///  }
[INFO] [stdout]    | |______________^
[INFO] [stdout] ...
[INFO] [stdout] 35 | /         for event in self.events.poll_iter() {
[INFO] [stdout] 36 | |             match event {
[INFO] [stdout] 37 | |                 Event::Quit { .. } |
[INFO] [stdout] 38 | |                 Event::KeyDown { keycode: Some(Keycode::Escape), .. } => {
[INFO] [stdout] ...  |
[INFO] [stdout] 42 | |             }
[INFO] [stdout] 43 | |         }
[INFO] [stdout]    | |_________- rustdoc does not generate documentation for expressions
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::thread;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::time;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: floating-point types cannot be used in patterns
[INFO] [stdout]   --> src/utils/audio.rs:56:17
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 0.0..=0.5 => self.volume,
[INFO] [stdout]    |                 ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(illegal_floating_point_literal_pattern)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: floating-point types cannot be used in patterns
[INFO] [stdout]   --> src/utils/audio.rs:56:23
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 0.0..=0.5 => self.volume,
[INFO] [stdout]    |                       ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `event`
[INFO] [stdout]   --> src/main.rs:43:18
[INFO] [stdout]    |
[INFO] [stdout] 43 |     while let Ok(event) = event_handler.event_poller() {
[INFO] [stdout]    |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_event`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/cpu.rs:359:27
[INFO] [stdout]     |
[INFO] [stdout] 359 |     fn op_dxyn(&mut self, x: usize, y: usize, n: u16) -> PointerAction {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/cpu.rs:359:37
[INFO] [stdout]     |
[INFO] [stdout] 359 |     fn op_dxyn(&mut self, x: usize, y: usize, n: u16) -> PointerAction {
[INFO] [stdout]     |                                     ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/cpu.rs:359:47
[INFO] [stdout]     |
[INFO] [stdout] 359 |     fn op_dxyn(&mut self, x: usize, y: usize, n: u16) -> PointerAction {
[INFO] [stdout]     |                                               ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: floating-point types cannot be used in patterns
[INFO] [stdout]   --> src/utils/audio.rs:56:17
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 0.0..=0.5 => self.volume,
[INFO] [stdout]    |                 ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `keys`
[INFO] [stdout]   --> src/cpu.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     keys: [bool; 16],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `keys_updated`
[INFO] [stdout]   --> src/cpu.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     keys_updated: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `display_tester`
[INFO] [stdout]   --> src/utils/display.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn display_tester(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `size`
[INFO] [stdout]  --> src/utils/rom_reader.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     size: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: floating-point types cannot be used in patterns
[INFO] [stdout]   --> src/utils/audio.rs:56:17
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 0.0..=0.5 => self.volume,
[INFO] [stdout]    |                 ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(illegal_floating_point_literal_pattern)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: floating-point types cannot be used in patterns
[INFO] [stdout]   --> src/utils/audio.rs:56:23
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 0.0..=0.5 => self.volume,
[INFO] [stdout]    |                       ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `event`
[INFO] [stdout]   --> src/main.rs:43:18
[INFO] [stdout]    |
[INFO] [stdout] 43 |     while let Ok(event) = event_handler.event_poller() {
[INFO] [stdout]    |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_event`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/cpu.rs:359:27
[INFO] [stdout]     |
[INFO] [stdout] 359 |     fn op_dxyn(&mut self, x: usize, y: usize, n: u16) -> PointerAction {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/cpu.rs:359:37
[INFO] [stdout]     |
[INFO] [stdout] 359 |     fn op_dxyn(&mut self, x: usize, y: usize, n: u16) -> PointerAction {
[INFO] [stdout]     |                                     ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/cpu.rs:359:47
[INFO] [stdout]     |
[INFO] [stdout] 359 |     fn op_dxyn(&mut self, x: usize, y: usize, n: u16) -> PointerAction {
[INFO] [stdout]     |                                               ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: floating-point types cannot be used in patterns
[INFO] [stdout]   --> src/utils/audio.rs:56:17
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 0.0..=0.5 => self.volume,
[INFO] [stdout]    |                 ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `keys`
[INFO] [stdout]   --> src/cpu.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     keys: [bool; 16],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `keys_updated`
[INFO] [stdout]   --> src/cpu.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     keys_updated: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `display_tester`
[INFO] [stdout]   --> src/utils/display.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn display_tester(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `size`
[INFO] [stdout]  --> src/utils/rom_reader.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     size: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.17s
[INFO] running `Command { std: "docker" "inspect" "569f5422f78ddd472efbbba08d6ba33cba91039e9596b9592499507c7911c653", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "569f5422f78ddd472efbbba08d6ba33cba91039e9596b9592499507c7911c653", kill_on_drop: false }`
[INFO] [stdout] 569f5422f78ddd472efbbba08d6ba33cba91039e9596b9592499507c7911c653
